A can do a piece of work in 20 days and B can do it in 30 days. How long will they take to do the work together?
The correct answer is B
Difference between the interior and exterior angles of regular polygon is 60°. How many sides are there in the polygon?
Each interior angle of a regular polygon is 135°. Then find out how many diagonals are there?
A polygon has 44 diagonals. How many sides does this polygon have?
Find the number of sides of regular polygon. If the ratio of interior angles and exterior angles are 3:2.